右击是Javascript事件吗?如果是,我该如何使用它?
当前回答
下面的代码使用jQuery生成一个基于默认鼠标下拉和鼠标上拉事件的自定义右键单击事件。 它考虑到以下几点:
鼠标悬停时触发 仅当鼠标按下之前的同一元素时触发 这段代码特别适用于JFX Webview(因为上下文菜单事件不会在那里触发) 当键盘上的上下文菜单键被按下时,它不会触发(就像on('contextmenu',…)的解决方案一样)
$(function () { // global rightclick handler - trigger custom event "rightclick" var mouseDownElements = []; $(document).on('mousedown', '*', function(event) { if (event.which == 3) { mouseDownElements.push(this); } }); $(document).on('mouseup', '*', function(event) { if (event.which == 3 && mouseDownElements.indexOf(this) >= 0) { $(this).trigger('rightclick'); } }); $(document).on('mouseup', function() { mouseDownElements.length = 0; }); // disable contextmenu $(document).on('contextmenu', function(event) { event.preventDefault(); }); }); // Usage: $('#testButton').on('rightclick', function(event) { alert('this was a rightclick'); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <button id="testButton">Rightclick me</button>
其他回答
是的,它是!
function doSomething(e) {
var rightclick;
if (!e) var e = window.event;
if (e.which) rightclick = (e.which == 3);
else if (e.button) rightclick = (e.button == 2);
alert('Rightclick: ' + rightclick); // true or false
}
这是最简单的方法,它可以在所有浏览器上运行,除了应用程序web视图,如(CefSharp铬等…). 我希望我的代码能帮助到你,祝你好运!
const contentToRightClick=document.querySelector("div#contentToRightClick"); //const contentToRightClick=window; //If you want to add it into the whole document contentToRightClick.oncontextmenu=function(e){ e=(e||window.event); e.preventDefault(); console.log(e); return false; //Remove it if you want to keep the default contextmenu } div#contentToRightClick{ background-color: #eee; border: 1px solid rgba(0,0,0,.2); overflow: hidden; padding: 20px; height: 150px; } <div id="contentToRightClick">Right click on the box !</div>
使用jQuery库处理事件
$(window).on("contextmenu", function(e)
{
alert("Right click");
})
在JQuery中,您可以使用以下代码检测它:
$('.target').on('contextmenu', function (evt) { evt.preventDefault(); }); $('.target').mouseup(function (evt) { if (evt.which === 3) { // right-click $(this).css("background-color","blue"); $(this).text("RIGHT"); } else if (evt.which === 1) { $(this).css("background-color","red"); $(this).text("LEFT"); } }); .target { display: inline-block; height: 100px; width: 100px; background: gray; text-align: center; color: white; font-size: 25px; vertical-align: middle; margin: 25px; } .container { width: 100%; height: 140px; background: #AAA; vertical-align: middle; text-align: center; } <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <div class="container"> <div class="target" id="target">Click</div> <div class="target" id="target">Right</div> <div class="target" id="target">Click me!</div> </div>
看看下面的jQuery代码:
$("#myId").mousedown(function(ev){
if(ev.which == 3)
{
alert("Right mouse button clicked on element with id myId");
}
});
的值为:
1为左键 2为中间按钮 3为右键